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3
rd
Generation Rack-
Mount RDMS™
88
Quasonix, Inc.
•
Pattern
–
Sets the data pattern used by the bit error rate test; This may be a fixed pattern or a
pseudorandom pattern that repeats based on the chosen pattern/sequence (a shorter pattern looks more
regular, a longer pattern looks more random)
•
PN6
–
Pseudorandom pattern 2
6
-1 bits in length
•
PN9
–
Pseudorandom pattern 2
9
-1 bits in length
•
PN11
–
Pseudorandom pattern 2
11
-1 bits in length
•
PN15
–
Pseudorandom pattern 2
15
-1 bits in length
•
PN17
–
Pseudorandom pattern 2
17
-1 bits in length
•
PN20
–
Pseudorandom pattern 2
20
-1 bits in length
•
PN23
–
Pseudorandom pattern 2
23
-1 bits in length
•
PN31
–
Pseudorandom pattern 2
31
-1 bits in length
•
User Defined
Figure 144: BERT, Pattern Selection
•
User Defined
–
A unique binary pattern, between 2 and 32 bits, specified by the person
running the test; o
nly available when Pattern is “User
Defined
”
Figure 145: BERT, User Defined Test Pattern Selection, and Pattern Changed